蛋白质在280 mn波长处有吸收峰。 ( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30920' and id < 2488388 and id<>'2488388' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30920' and id > 2488388 and id<>'2488388' order by id asc limit 5